Subtract 6/50 from 15/21
15/21 - 6/50 is 104/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
15/21 = 15 × 50/21 × 50 = 750/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
6/50 = 6 × 21/50 × 21 = 126/1050 - Subtract the two like fractions:
750/1050 - 126/1050 = 750 - 126/1050 = 624/1050 - After reducing the fraction, the answer is 104/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21-6/50 15/21-12/50 15/42-6/50 45/21-6/50 15/21-18/50 15/63-6/50 75/21-6/50 15/21-30/50 15/21-42/50